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Finding the Fourth Proportional to 3,653, 5,041.14 and 2,256.56

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Solution

The fourth proportional to 3,653, 5,041.14 and 2,256.56 is: 3,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653 : 5,041.14 = 2,256.56 : x
  2. Step 2: Convert to fraction form
    3,653/5,041.14 = 2,256.56/x
  3. Step 3: Cross multiply
    3,653x = 5,041.14 × 2,256.56
  4. Step 4: Simplify right side
    3,653x = 11,375,634.88
  5. Step 5: Solve for x
    x = 11,375,634.88/3,653
  6. Step 6: Final answer
    x = 3,114.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.